Home / 446,056,415.12-615,521,766.69-257,896,780.74

Finding the Fourth Proportional to 446,056,415.12, 615,521,766.69 and 257,896,780.74

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Solution

The fourth proportional to 446,056,415.12, 615,521,766.69 and 257,896,780.74 is: 355,876,693.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,056,415.12 : 615,521,766.69 = 257,896,780.74 : x
  2. Step 2: Convert to fraction form
    446,056,415.12/615,521,766.69 = 257,896,780.74/x
  3. Step 3: Cross multiply
    446,056,415.12x = 615,521,766.69 × 257,896,780.74
  4. Step 4: Simplify right side
    446,056,415.12x = 158,741,082,104,748,384
  5. Step 5: Solve for x
    x = 158,741,082,104,748,384/446,056,415.12
  6. Step 6: Final answer
    x = 355,876,693.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.